Home / 1,432,821.32-1,976,174.04-888,651.98

Finding the Fourth Proportional to 1,432,821.32, 1,976,174.04 and 888,651.98

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Solution

The fourth proportional to 1,432,821.32, 1,976,174.04 and 888,651.98 is: 1,225,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,821.32 : 1,976,174.04 = 888,651.98 : x
  2. Step 2: Convert to fraction form
    1,432,821.32/1,976,174.04 = 888,651.98/x
  3. Step 3: Cross multiply
    1,432,821.32x = 1,976,174.04 × 888,651.98
  4. Step 4: Simplify right side
    1,432,821.32x = 1,756,130,973,470.60
  5. Step 5: Solve for x
    x = 1,756,130,973,470.60/1,432,821.32
  6. Step 6: Final answer
    x = 1,225,645.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.